Agnes Zhelesnik started her teaching career when she was 82 years old. She just turned 99, and CNN reports that over the last 17 years, she's had a "huge impact" on her students' lives. Ms Zhelesnik — affectionately called "Granny" at school, teaches cooking, sewing and costume-making. Her daughter, a 69-year-old also named Agnes, also teaches at the school. But why teach at 99 years old? Zhelesnik just enjoys being around the students: